Anthropic's Withdrawal of Fable 5 and Mythos 5: Implications Explored

Anthropic disabled Fable 5 and Mythos 5 on June 12 after a US government export-control order The order bars foreign nationals, so every customer lost access while compliance is sorted out The trigger was a narrow jailbreak that asked the model to fix flaws in a codebase Opus 4.8 and every other Cla